Page authors: Don Knoke, David Giblin
Symphyotrichum laeve
Geyer's aster, smooth aster
Specimens
Photos

Distribution: Occurring east of the Cascades crest in eastern Washington; Yukon Territory to California, east across most of North America to the Atlantic Coast.

Habitat: Open places in the plains and valleys to middle elevations in the mountains.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Description:
General:

Fibrous-rooted perennials with a short rhizome or crown, the stems 4-12 dm. tall, the herbage glabrous and somewhat glaucous.

Leaves:

Leaves thick, entire or toothed, highly variable in size and shape, lanceolate or broader, the lower petioled, the other sessile and sometimes clasping.

Flowers:

Inflorescence open and flat-topped, its bracts broad-based and sub-clasping; involucre 5-7 mm. high, its bracts firm, imbricate, sharply pointed, with a narrow, elongate green tip; rays 15-30, blue or purple, 6-9 mm. long; disk flowers yellow; pappus of reddish capillary bristles.

Fruits:

Achenes glabrous.

Accepted Name:
Symphyotrichum laeve (L.) Á. Löve & D. Löve
Publication: Taxon. 31: 359. 1982.

Synonyms & Misapplications:
Aster laevis L. [HC]
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Symphyotrichum laeve in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Symphyotrichum laeve checklist entry

OregonFlora: Symphyotrichum laeve information

E-Flora BC: Symphyotrichum laeve atlas page

CalPhotos: Symphyotrichum laeve photos

10 photographs:
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